PMIC - Power Management - Specialized

Image Part Number Description / PDF Quantity Rfq
ADN8830ACPZ

ADN8830ACPZ

Analog Devices, Inc.

THERMOELECTRIC COOLER CONTROLLER

343

MAX8890ETCAAA

MAX8890ETCAAA

Analog Devices, Inc.

CELLULAR RF POWER-MANAGEMENT

3553

LTC4360CSC8-1#TRPBF

LTC4360CSC8-1#TRPBF

Analog Devices, Inc.

IC CTLR OVP 80V SHUTDOWN SC70-8

0

MAX6348XR44+

MAX6348XR44+

Analog Devices, Inc.

MAX6348 3-PIN, ULTRA-LOW-POWER S

414

MAX6756UKLD0+

MAX6756UKLD0+

Analog Devices, Inc.

MAX6756 LOW-POWER, SINGLE-VOLTAG

944

LTC3589IUJ-2#TRPBF

LTC3589IUJ-2#TRPBF

Analog Devices, Inc.

IC POWER MANAGEMENT

0

LTC4125IUFD#PBF

LTC4125IUFD#PBF

Analog Devices, Inc.

5W AUTORESONANT WIRELESS POWER T

239

LT2940IDD#TRPBF

LT2940IDD#TRPBF

Analog Devices, Inc.

IC POWER/CURRENT MONITOR 12DFN

0

MAX6363LUT29+

MAX6363LUT29+

Analog Devices, Inc.

MAX6363 LOW-POWER MICROPROCESSO

1082

MAX6762TALTD3

MAX6762TALTD3

Analog Devices, Inc.

MAX6762 LOW-POWER, SINGLE/DUAL-V

913

LTC3586EUFE#PBF

LTC3586EUFE#PBF

Analog Devices, Inc.

IC MANAGER USB PWR HI-EFF 38QFN

688

MAX1798EUP+

MAX1798EUP+

Analog Devices, Inc.

SYSTEM POWER SUPPLIES

6838

MAX4924ELT+T

MAX4924ELT+T

Analog Devices, Inc.

ANALOG CIRCUIT, 1 FUNC, BICMOS

20513

LT3485EDD-2#PBF

LT3485EDD-2#PBF

Analog Devices, Inc.

IC CHARGER PHOTOFLASH 10-DFN

0

MAX6720UTTGD3+

MAX6720UTTGD3+

Analog Devices, Inc.

MAX6720 TRIPLE, ULTRA-LOW-VOLTAG

4637

MAX6327XR31+

MAX6327XR31+

Analog Devices, Inc.

MAX6327 3-PIN, ULTRA-LOW-POWER S

1716

LTC3331EUH#TRPBF

LTC3331EUH#TRPBF

Analog Devices, Inc.

IC REG BUCK/LDO SYNC 50MA 32QFN

0

MAX6762TAWAD3+T

MAX6762TAWAD3+T

Analog Devices, Inc.

POWER SUPPLY SUPPORT CIRCUIT, AD

12500

LTC3576EUFE#TRPBF

LTC3576EUFE#TRPBF

Analog Devices, Inc.

IC POWER MANAGER W/USB OTG 38QFN

0

LT3751EFE#PBF

LT3751EFE#PBF

Analog Devices, Inc.

IC CTRLR CAP CHRGR 20-TSSOP

3426

PMIC - Power Management - Specialized

1. Overview

Specialized Power Management ICs (PMICs) are application-specific integrated circuits designed to optimize power distribution and management in electronic systems. These devices provide tailored solutions for voltage regulation, battery management, power sequencing, and energy efficiency optimization. Their importance in modern technology lies in enabling compact designs, reducing power consumption, and improving reliability for applications ranging from mobile devices to automotive systems.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Battery PMICsIntegrate battery charging, fuel gauging, and protection circuitsSmartphones, wearable devices
DC-DC ControllersRegulate voltage conversion with external MOSFETsHigh-performance computing (HPC) systems
AC-DC ControllersConvert AC to DC with power factor correction (PFC)Server power supplies, industrial equipment
LED DriversProvide constant current for LED arraysAutomotive lighting, display backlighting
Multi-Channel PMICsSupport multiple regulated outputs with sequencingMedical imaging equipment, IoT gateways

3. Structure and Components

Typical physical structure includes:

  • QFN/BGA packages for compact PCB integration
  • Internal blocks: Voltage regulators (LDOs, DC-DC converters), ADC/DAC modules, I2C/SPI interfaces
  • Protection circuits: Overcurrent (OCP), Overvoltage (OVP), Thermal shutdown (OTP)

4. Key Technical Specifications

ParameterImportance
Input Voltage RangeDetermines compatibility with power sources (e.g., 2.7V-24V for battery systems)
Output Current CapabilityDefines maximum load support (e.g., 0.5A-10A per channel)
Efficiency (Typical >90%)Impacts thermal performance and battery life
Quiescent CurrentCrucial for low-power standby modes (<10 A typical)
Protection FeaturesEnsures reliability under fault conditions
Operating TemperatureIndustrial (-40 C to +125 C) or automotive (-40 C to +150 C) grades

5. Application Areas

  • Consumer Electronics: Mobile phones, tablets, AR/VR headsets
  • Automotive: ADAS systems, electric vehicle (EV) battery management
  • Industrial: PLC systems, robotics actuators
  • Healthcare: Portable diagnostic devices, MRI gradient coil drivers
  • IoT: Edge sensors, smart meters

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Texas InstrumentsTPS659126-channel PMIC for AMOLED displays
STMicroelectronicsSTM32L4 Series PMICUltra-low-power with dynamic voltage scaling
ON SemiconductorNCP185xHigh-current battery charger with JEITA compliance
Analog DevicesLTC297xDigital power system management (PSM) IC
InfineonPSoC 6 PMICIntegrated with microcontroller for IoT applications

7. Selection Guidelines

  1. Define system power rails and sequencing requirements
  2. Match input voltage range with source characteristics (battery, AC adapter, etc.)
  3. Evaluate thermal performance under maximum load
  4. Prioritize protection features for critical applications
  5. Consider digital monitoring capabilities for smart systems

8. Industry Trends

Key trends shaping PMIC development:

  • Integration of wide-bandgap (SiC/GaN) drivers in power stages
  • AI-enabled dynamic power optimization for edge computing
  • 48V direct-to-load architectures for data centers
  • Functional safety compliance (ISO 26262) for automotive systems
  • Sub-1 A leakage current management for battery-free IoT devices
RFQ BOM Call Skype Email
Top